Six years of change at Lake Nyos, Cameroon, yield clues to the past and cautions for the future

The catastrophic release of gas from Lake Nyos, Cameroon, in 1986 caused substantial but incomplete mixing of the stratified water column. The post-release evolution of water-column structure has been monitored through April 1992. Changes began immediately after the event as rainfall and inflow brou...

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Bibliographic Details
Published in:GEOCHEMICAL JOURNAL 1994/06/20, Vol.28(3), pp.139-162
Main Authors: Evans, William C., White, Lloyd D., Tuttle, Michele L., Kling, George W., Tanyileke, Gregory, Michel, Robert L.
Format: Article
Language:English
Subjects:
Freshwater
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Summary:The catastrophic release of gas from Lake Nyos, Cameroon, in 1986 caused substantial but incomplete mixing of the stratified water column. The post-release evolution of water-column structure has been monitored through April 1992. Changes began immediately after the event as rainfall and inflow brought dilute fluid into the surface layer. Inflow and surface mixing have gradually deepened the chemocline. The Total Dissolved Solids (TDS) values in the upper 40 m of the water column have dropped from a few hundred mg/kg just after the release to
ISSN:0016-7002
1880-5973
DOI:10.2343/geochemj.28.139